From July 2003 to January 2005, the nest site selection in breeding period, the activity area in non-breeding period, the feeding place and the waterbird community were studied.

Study on species diversity and stability of the bird community in korean pine-broadleaf forest of Changbai Mt.;

Changes of a forest bird community in Hong Kong in 10 years;

Structure and diversity and protective strategies of bird community in Nansha wetland, Guangzhou;

The number of species and density of avian community among different years were not significantly different.

But the research on avian community of Zijin Mountain has not been reported yet.

It is especially important as a stop-over site for birds during south-north migration in china, and also a place where many waterfowls living in winter, but the research on the avian community of Hongze Lake has not been reported yet.

Studies on correlation between bird communities and landscape types;

Bird species composition, the relationship between bird communities and habitats, the function of bird community structures and their seasonal patterns, the interspecific attraction of the migration waterbirds were analyzed.

The relationship between the species number of birds community and pathes area are studied in Zuojia Nature Reserve in Jilin province during the period between April to July,2005 and 2006.

The ecological function of this mangrove plantation is analyzed and evaluated from the birds community compared with the natural mangrove forest.